$\int_0^8\left(\cos\left(\pi x\right)\right)dx$

$\frac{x^3-5x}{x^2+8}$

$\lim_{x\to0}\left(\frac{\ln\left(ex^4\right)}{\ln\left(x^4\right)}\right)^{\ln\left(\left|x\right|\right)}$

$\left(85\left(-0.25\right)+85\right)$

$2a^2-3a+1$

$\int x^2sin\left(5x+1\right)dx$

$464 \times 4 + 176 x ^ { 2 } + 121$